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-   -   Air filter on webers (http://www.clubcobra.com/forums/weber-tuning/108969-air-filter-webers.html)

Dwight 02-02-2011 05:23 PM

Air filter on webers
 
I would like to see pictures of air filter on Weber type of injection systems.
I do have the screens on the horns but I'm not sure that is enough.

I have Dynaformance fuel injection on my GT 40. I would like to install air filters. Or I could install screens on the intake ducts and seal off the horns from the air off the motor.

Pictures would help me decide what I want.

Pictures Please.

Dwight

http://www.clubcobra.com/photopost/d...intake_006.jpg

bobcowan 02-02-2011 05:46 PM

I use these on the street. I'v never tested them to see what kind of power they lose.

http://i13.photobucket.com/albums/a2...n/d2a246c0.jpg

I saw this one on a car at a show; I didn't get to speak with the owner. But I have heard it's available from TWM.

http://i13.photobucket.com/albums/a2...irCleaner2.jpg


On the track I use these stacks, But I leave them open. The "Tea Strainers" cost me an honest 100hp, dyno proven.

http://i13.photobucket.com/albums/a2...dies4small.jpg

This diffuser gives me about 8mph at the top end.

http://i13.photobucket.com/albums/a2...oop04small.jpg

Dwight 02-02-2011 05:52 PM

Thanks Bob

do you think my Tea Strainers lose a lot of hp? My 302 should make about 375 max at the flywheel.

After I change a few things I'm going to the dyno.

Dwight

Dwight 02-02-2011 05:59 PM

I'm limited on the size of the filter because
http://www.clubcobra.com/photopost/d...intake_014.jpg

bobcowan 02-02-2011 08:53 PM

Quote:

Originally Posted by Dwight (Post 1107041)
Thanks Bob

do you think my Tea Strainers lose a lot of hp? My 302 should make about 375 max at the flywheel.

After I change a few things I'm going to the dyno.

Dwight

I have read that the screens you are using do not lose much. They're supposed to be very efficient. Looking at your set up, I probably wouldn't change anything. I have considered buying some of those screens for track day.

jaspittman 02-03-2011 03:37 PM

1 Attachment(s)
I made these for mine.

Attachment 18260

SoTxButler 02-03-2011 04:55 PM

jaspittman,

Very nice work. I think the trumpets affect performance in a positive way. Looks like your filters sit on throttle body. Do you have any idea if eliminating the trumpets has any effect vs sitting on the throttle body like you have done?

I suppose the bottom plate bolts to the throttle bodies from inside. Looks good.

*13* 02-03-2011 05:16 PM

I bought a screen to make my own box but just haven't gotten around to building it. These threads always have a lot of great options but nothing ever looks just right. No offense to anyone & their projects(many of them look awesome!), just that its tough to make something that looks as cool as a set of open Webers.

Dwight 02-03-2011 06:03 PM

So Bob, do you think my filters are good for street driving?

I love the look of the open webers but I concerned about dirt in the motor.


jaspittman, I like the look of your set up. Is the base aluminum also?
Where did you get the filters? What size are they?

Dwight

zrayr 02-03-2011 06:38 PM

Quote:

Originally Posted by Dwight (Post 1107300)
So Bob, do you think my filters are good for street driving?

I love the look of the open webers but I concerned about dirt in the motor ............."
Dwight

a very legitimate concern. You can bore out a motor rapidly driving without air cleaners.

Z.

jaspittman 02-15-2011 05:53 PM

1 Attachment(s)
Quote:

Originally Posted by SoTxButler (Post 1107292)
jaspittman,

Very nice work. I think the trumpets affect performance in a positive way. Looks like your filters sit on throttle body. Do you have any idea if eliminating the trumpets has any effect vs sitting on the throttle body like you have done?

I suppose the bottom plate bolts to the throttle bodies from inside. Looks good.

The velocity stacks are still intact and stick up into the filtered area.

Dwight 02-15-2011 07:41 PM

jaspittman,

do you have a picture of your filter with the top off? I would like to see how the velocity stacks enter the base. How far above the base?
Thanks for the picture. I want to build one like yours but not billeted aluminum. I was thinking of thin aluminum sheet with a small edge turned up to hold the filter. Sort of race car design.
What filters did you use?

Dwight

bobcowan 02-15-2011 08:40 PM

Quote:

Originally Posted by Dwight (Post 1107300)
So Bob, do you think my filters are good for street driving?

I love the look of the open webers but I concerned about dirt in the motor.

Dwight

Yeah, I wouldn't be concerned about using those screens on the street at all. Especially under glass like that. You're likely to suck in a leaf or a bird. Lets say they let in enough dirt to decrease service life by 50%. You'll "only" get 50,000 miles between major overhauls. That's what, 10 years? not enough of an issue to worry about.

On the track, I run open trumpets; and K&N's on the street. I overhaul the engine every 2 years or so. There's no measurable wear on the cylinder walls or crank journals.

Rick Parker 02-15-2011 10:51 PM

As long as I can keep small children and flying squirels from being inhaled I'm OK. I think about the consequences of running without an Air Filter assembly, but just don't want to cover the carb bodies, which is what an efficient filter would do. They just look SOOOO good!

Fullchat289 02-17-2011 10:30 AM

I'm running IDF's, and this filter may cause you some clearance issues, but here it is anyway...

http://i41.photobucket.com/albums/e2...9/DSC00530.jpg

http://www.piercemanifolds.com/product_p/99217.434.htm

- Allen.

BERNIE 02-19-2011 12:47 AM

Quote:

Originally Posted by Fullchat289 (Post 1110640)
I'm running IDF's, and this filter may cause you some clearance issues, but here it is anyway...

http://i41.photobucket.com/albums/e2...9/DSC00530.jpg

http://www.piercemanifolds.com/product_p/99217.434.htm

- Allen.

Any pics of your nice headers ?

Mando 02-19-2011 05:01 AM

Here's what I used, they come from Morrison Injection

http://www.clubcobra.com/photopost/d...0/P1000398.jpg

http://www.clubcobra.com/photopost/d...0/P1000349.jpg

http://www.clubcobra.com/photopost/d...0/P1000210.jpg

Regards.

vector1 02-19-2011 06:40 AM

speedway motors has a pretty good selection of filters for injectors in sprint racing, here is a small selection, their catalog has more or maybe find some more on the website.

http://www.speedwaymotors.com/Produc...irst_answer=65

CCopra 04-21-2011 02:31 PM

1 Attachment(s)
hi

i got these trumpets with screen filters on it

drive with them for more than 6000 miles... i have no problems with it...

why are you so worried to drive with "normal" screen filters?

dallas_ 04-21-2011 03:33 PM

Quote:

Originally Posted by Mando (Post 1110981)

Damn that cross ram looks nice!

ok, back to your regular programming.


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